Subtract 5/40 from 20/2
1st number: 10 0/2, 2nd number: 5/40
20/2 - 5/40 is 79/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
20/2 = 20 × 20/2 × 20 = 400/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Subtract the two like fractions:
400/40 - 5/40 = 400 - 5/40 = 395/40 - After reducing the fraction, the answer is 79/8
- In mixed form: 97/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-5/40 20/2-10/40 20/4-5/40 20/2-5/80 60/2-5/40 20/2-15/40 20/6-5/40 20/2-25/40 20/10-5/40 20/2-35/40 20/14-5/40